form.addEventListener('submit', (ev) => {
      ev.preventDefault();
      this.resizeWindow(false);
      this.sendingRequest = true;
      this.isError = false;
      this.errorMessage = '';
      if (this.validateInput()) {
        if (this.clientSecret) {
          this.processStripePayment();
        } else {
          this.createOrder();
        }
      } else {
        this.isError = true;
        this.sendingRequest = false;
      }
    });